CN1148254A - Push switch and method of producing push switch - Google Patents
Push switch and method of producing push switch Download PDFInfo
- Publication number
- CN1148254A CN1148254A CN96106931A CN96106931A CN1148254A CN 1148254 A CN1148254 A CN 1148254A CN 96106931 A CN96106931 A CN 96106931A CN 96106931 A CN96106931 A CN 96106931A CN 1148254 A CN1148254 A CN 1148254A
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- CN
- China
- Prior art keywords
- shape
- contact
- movable contact
- depressed part
- substrate
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
- H01H11/04—Apparatus or processes specially adapted for the manufacture of electric switches of switch contacts
- H01H11/06—Fixing of contacts to carrier ; Fixing of contacts to insulating carrier
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/26—Snap-action arrangements depending upon deformation of elastic members
- H01H13/48—Snap-action arrangements depending upon deformation of elastic members using buckling of disc springs
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Push-Button Switches (AREA)
Abstract
A push switch comprises: an insulation substrate (11) having a circular hollow portion (14) therein, a fixing portion (12A) having a first C-shape and a hollow portion (18), having a second C-shape, arranged inside the first C-shape, the hollow portion is arranged in the circular hollow portion and the hollow portion having at least three protruding portions thereon, a center contact (21), an arm portion (22), a movable contact (24), having a dome shape on the protruding portions; and a cover sheet (26), fixed on the fixing portion so as to cover the movable contact. A method of producing push switch is also disclosed wherein the outer contact and the center contact portion having the arm portion are made from a piece of trimmed metal plate..
Description
The present invention relates to a kind of push-button switch and a kind of method of producing push-button switch.
At United States Patent (USP) the 5th, 313, disclosed a kind of push-button switch in No. 027, it has first and second contacts, and one the 3rd movable contact and an actuator, described actuator have one for promoting the vault construction that described the 3rd movable contact is used.
In being the Japanese patent application of 5-298959, disclosed publication number the push-button switch of another kind of prior art.Fig. 6 is the three-dimensional view of the push-button switch of this prior art.Fig. 7 is the sectional elevation of the push-button switch of this prior art.The push-button switch of this prior art comprises that one has the plastic casing 1 of circular depressed part, and an external fixation contact 4 and a central fixed contact 5 of terminals 2 and 3 are gone up, are connected in a surface that is arranged on described sunk part by inlaying moulded processing method.One movable spring contact 6, it has and is located on the outer contact 4 so that a vault construction contacting between described outer contact 4 and the described movable spring contact 6 and an insulation cover plate 7 of the described plastic casing 1 of a cover cap to be provided all the time.
When depressing described insulation cover plate 7, the mid portion of movable contact 5 is distortion downwards just, and contacts with central fixed contact 5, so that the on off state of connection (ON) to be provided.When the downforce removed insulation cover plate 7, movable spring contact 6 is just replied the shape of its vault, so that the recovery of dome shape separates movable spring contact 6 and central fixed contact 5.The state of disconnection (OFF) just is provided then.Therefore, the switch of this prior art provides the conversion operations of a kind of on-off (ON-OFF).
In the push-button switch of this prior art, owing to, so just be restricted aspect the thickness that reduces plastic casing 1 for contact 4 comprising in described plastic casing outside and central fixed contact 5 must carry out described inlaying mouldedly.
The purpose of this invention is to provide a kind of improved push-button switch and a kind of method of producing a kind of push-button switch.
According to the invention provides first kind of push-button switch, it comprises: the substrate of an insulation, and it has the sunk part of a circle, a upper surface around described sunk part, first and second tack coats on described sunk part and upper surface respectively; One outside contact part, it has a conductive plate, described conductive plate has one has the fixed part and of a C shape shape to have the sunk part that is arranged in one the 2nd C shape shape in the described C shape shape, described sunk part is arranged in the depressed part of described circle, and fix by described first tack coat, described standing part is fixed on the upper surface of described dielectric substrate by described second tack coat, and described sunk part has at least three juts; One central contact site, it is fixed on by described first tack coat on the surface of described sunk part, and it has one and is disposed in the arm that a center contact of described the 2nd C shape shape inside and an opening by the 2nd C shape shape extend to the outside of described the 2nd C shape shape from center contact; A movable contact, it has the shape of a vault, and this shape has an excircle part on described jut; With a cover plate, it has one the 3rd tack coat, and is fixed on the described standing part, with the described movable contact of cover cap.
In above-mentioned push-button switch, the size of movable contact and jut will determine like this, when movable contact when center contact presses down, between standing part and arm, set up an electric pathway, and when movable contact not when described center contact presses down, this electric pathway cuts off.The size that is described removable contact and jut will be determined to such an extent that can provide one to connect disconnection (ON-OFF) operation.
In above-mentioned push-button switch, described dielectric substrate comprises first substrate with one the 4th tack coat and has one second substrate of first tack coat and a circular hole, described second substrate is fixed on described first substrate by described the 4th tack coat, and the part of the 4th tack coat is exposed to play first tack coat by described circular hole.
According to the present invention, one second push-button switch is provided, it comprises: a dielectric substrate, it has one first depressed part, around a upper surface of described depressed part; One outside contact part, it comprises a conductive plate, this conductive plate has with an outside of one the one C shape shape and has one second depressed part that is arranged in one the 2nd C shape shape in the described C shape shape, described second depressed part is to be arranged in described first depressed part, and described second depressed part has at least three juts; One is used for first standing part of described external stability on the upper surface of dielectric substrate; One center contact part, it has a center contact being arranged in described the 2nd C shape shape and an opening by described the 2nd C shape shape from the arm of center contact to the extension of the outside of the 2nd C shape shape; One is used for lip-deep second standing part of center contact partial fixing at described first sunk part; One movable contact, it has a dome shape, and this dome shape has an excircle part on jut; Be located at insulation cover plate on this movable contact with the described movable contact that is used to insulate.
In described second push-button switch, the size of movable contact and jut is determined like this, when a masterpiece is used for movable contact sensing center contact, set up electric pathway between described outside and arm, and when this power was removed, this electric pathway is cut off just.
According to the present invention, provide a kind of method of producing push-button switch, it comprise the steps: to be shaped a conductive plate with a framework, an outer contact part and described outside contact inside and an interior contact part of separating with this outer contact and be used for described framework be connected to described outside contact partly and interior contact coupling part partly; Described conductive plate is arranged on the substrate, and this substrate is formed to support described outer contact part and interior contact part; Cut described coupling part; And a movable contact with a dome shape is arranged on the described outer contact part, wherein when depressing described movable contact, described movable contact is just set up an electric pathway outside between contact and the interior contact.Here it is, and outer contact and the interior contact portion with arm are made by the cutting coupling part by a trimmed metallic plate, and described coupling part is connected in outer contact and interior contact portion the framework of described metallic plate after being arranged into switch substrate.
Can more be clear that purpose of the present invention and characteristics in the detailed description of doing below in conjunction with accompanying drawing, in these accompanying drawings:
Fig. 1 is the three-dimensional view of the push-button switch of a preferred embodiment of the present invention;
Fig. 2 is the three-dimensional view of a confined state that the push-button switch of this embodiment is shown;
Plan view when Fig. 3 is the part confined state of push-button switch of this embodiment;
Fig. 4 is the sectional elevation of the push-button switch of this embodiment;
Fig. 5 A to 5C is the three-dimensional view of the modification structure of this embodiment;
Fig. 6 is the three-dimensional view of the push-button switch of a prior art;
Fig. 7 is the drawing in side sectional elevation of the push-button switch of described prior art;
Fig. 8 A and 8B are the end view of the switch substrate of this embodiment when being in machining state;
Fig. 9 is the three-dimensional view of the metal sheet of this embodiment when being in machining state; And
Figure 10 is the sectional elevation of described metal sheet when being in machining state.
Every identical or corresponding element or part all use same label to represent in spreading all over these accompanying drawings.
Fig. 1 is the stereogram of the push-button switch of a preferred embodiment of the present invention.Fig. 2 illustrates a kind of three-dimensional view of confined state of the push-button switch of this embodiment.Fig. 3 is the plane graph of the push-button switch of this embodiment when being in the part confined state.Fig. 4 is the sectional elevation of the push-button switch of this embodiment.
The push-button switch of this embodiment comprises the switch substrate 11 of an insulation, it has one to have round-shaped round depressed part 14, wherein the circumference facing to sunk part 14 is provided with a grooving 14A, one outer contact part 12, it comprises the outer contact 12A with a C shape shape and also is arranged in a depressed part 18 with C shape shape in the described circular depression 14, one center contact part 13, it has the arm 22 that an opening of center contact 21 in the central authorities that are arranged in a zone that is centered on by the sunk part 18 of C shape shape and the C shape shape by outer contact 12A extends to the outside of the outer contact 12A of C shape shape from described center contact 21, one is used for fixing the lip-deep tack coat 15A in described circular depressed part 14 of described depressed part 18 and center contact portion 13, one has the movable contact 24 of dome shape, another tack coat 15B on the upper surface of described switch substrate 11 and by described tack coat 15B fixing be used for cover cap switch substrate 11, one elastic cover plate 26 of outer contact and center contact portion 13.
Described switch substrate 11 comprises that one has the insulating thin of square shape, and it is by the processing of pressure heating means, and the position is formed with the sunk part 14 of grooving 14A therebetween.
Fig. 8 A and 8B are that the switch substrate 11 of present embodiment is adding the end view in man-hour.
Use a punch die 42 punching presses (shown in Fig. 8 B) then, the binding agent 41 of a slice type is fixed on it, tack coat 15B to be provided on the upper surface of switch substrate 11 and tack coat 15A is provided on the surface of depressed part 14.Then,, process described switch substrate 11, on foursquare four jiaos, to form otch 11A to 11D by punching operation (finishing is handled).
Fig. 9 is that the metal sheet of present embodiment is adding the stereogram in man-hour.Figure 10 is that this metal sheet is adding the sectional elevation in man-hour.
In central contact portion 13, having one, the center contact 21 of the dome shapes that reliably contact with movable contact 24 is provided is the centre that is arranged in the C shape shape of C shape depressed part 18, so that the electric insulation with depressed part 12A to be provided.Arm 22 stretches into otch 14A from the C shape shaped aperture of center contact 21 by depressed part 18, and rolls over (in Fig. 2) downwards, so that be assemblied in the otch 14A by the folding part branch.22 extended standing part 13A extend to the right from folded part from arm, and divide fork left.At the both ends of standing part 13A, by the thickness of downward folding (in Fig. 2) switch substrate 11, and constitute terminal portions 23A and 23B, so that these both ends are assemblied in otch 11C and the 11D.Standing part 13A and arm 22 and center contact 21 are fixed on the surface of the upper surface of switch substrate 11 and depressed part 14.
Fig. 3 illustrates outer contact portion 12 and center contact portion 13 and is fixed on a state on the switch substrate 11.
A kind of operation of this push-button switch of present embodiment will be described below.
Instantly during cover clamp 26, the middle body of movable contact 24 is distortion (in the accompanying drawings) downwards just, and contact with the center contact 21 of center contact part 13, so that the path closure between contact part 12 and the center contact part 13 outside, the path closure between promptly online termination 20A (20B) and 23A (23B).
Instantly after the power of the middle body of cover clamp 24 was removed, movable contact 24 just made its recovery of shape to original dome shape, so that movable contact 24 separates with center contact part 13, and the path between cut-out line end head 20A (20B) and 23A (23B).
A kind of modification structure now will be discussed.This modification provides the switching manipulation of a kind of on-off (ON-OFF).
Fig. 5 A to 5C is a kind of stereogram of revising structure of present embodiment.
In the above-described embodiment, switch substrate 11 is made by hot pressing-insulating thin, so that a depressed part 14 to be provided.Yet, the method for all different this switch substrate of making is arranged.For example, another kind of switch substrate 11 ' is to be combined by the tack coat 29 on substrate 33 by a substrate 32 and a substrate 33, wherein on described substrate 32, one circular port 27 is to form and otch is to form on Qi Sijiao in the central authorities of square shaped substrate, and on described substrate 33, otch is to form on the relevant position of square shaped substrate.Another tack coat 28 is to form on the upper surface of substrate 32.Therefore, switch substrate 11 ' is to provide as shown in Fig. 5 C.Here it is, and this switch substrate 11 ' has the surface of a circular depression 27A, otch 34A to 34B, the tack coat on the upper surface of switch substrate 11 ' and a depressed part 29A.
Push-button switch by the above embodiments does not need injection molding processing so that contact is contained in the switch substrate.
In addition, when assembling movable contact 24 and cover plate 26, movable contact 26 be by the depressed part 18 of C shape shape and outside difference in height between the contact 12 locate, and in assembling process, prevented the slip of movable contact 26.
As mentioned above, described push-button switch comprises: have the upper surface of the insulated switch substrate 11, of one first depressed part 14 around described depressed part 14; Outer contact part 12, it comprises conductive plate, has second depressed part 18 that is arranged in one the 2nd C shape shape in the C shape shape with the outer contact 12A of one the one C shape shape and band, described second depressed part is to be arranged in described first depressed part, and described second depressed part has at least three juts 19; Tack coat 15B, the line end head is as the otch 11A and the 11B of one first standing part on the upper surface that outer contact 12A is fixed on dielectric substrate 11; One center contact portion 13, it has the center contact 21 that is arranged in described the 2nd C shape shape and from the arm 22 of the opening of described center contact 21 by described the 2nd C shape shape to the extension of the outside of the 2nd C shape shape; Tack coat 15A, terminal stud part 23A and 23B are as one second standing part, be used for fixing the otch 11C and the 11D of center contact part; Movable contact 24, it has a dome shape, and this vault has a peripheral part 24A on described jut; Insulation cover plate 26 with the movable contact 24 that on described movable contact 24, is used to insulate.The size of described movable contact 24 and jut 19 is determined like this, when power that movable contact 24 is applied is pointed to center contact 21, externally set up electric pathway between 12A and the arm 22, and when this power was removed, this electric pathway is cut off.
In addition, according to present embodiment, provide a kind of method of push-button switch as described below:
The processing that is shaped has in the conductive plate 30 of framework 31, outer contact portion 12 and the contact 12 outside and the center contact portion 13 that separates mutually with outer contact portion and with being used for that described framework 31 is connected to coupling part 17 in outer contact portion 12 and the center contact portion 13.Described conductive plate 30 is installed in is used for supporting on the insulated switch substrate 11 of outer contact portion 12 and center contact portion 13.Cutting coupling part 17.The movable contact 24 that will have a dome shape is installed on the described outer contact part 12, and wherein when pressing down movable contact, movable contact 24 constitutes electric pathway between contact and the interior contact outside.
By protuberance 19 center contact portion 13 is separated with movable contact.
Claims (6)
1. push-button switch, it comprises:
One has the dielectric substrate (11) of a circular depression 14, a upper surface around described depressed part, first and second tack coats on described depressed part and described upper surface (15A, 15B) respectively;
One outer contacting part (12), it comprises a conductive plate, described conductive plate has with the standing part (12A) of one the one C shape shape and is with a depressed part (18) that is arranged in one the 2nd C shape shape in the described C shape shape, described depressed part is arranged in the described circular depression, and fix by described first tack coat and described standing part, described standing part is fixed on by one second tack coat on the described upper surface of described dielectric substrate, and described depressed part has at least three juts (19) thereon;
One center contact part (13), it is fixed on by described first tack coat on the surface of described depressed part, and it has the center contact (21) that is arranged in described the 2nd C shape shape and from the arm (22) of the opening of described center contact by described the 2nd C shape shape to the extension of the outside of described the 2nd C shape shape;
One movable contact (24), it has a dome shape, and described dome shape has the outer peripheral portion (24A) on described jut; And
One cover plate, it has one the 3rd tack coat, on the described standing part that is fixed, so that the cover cap movable contact.
2. push-button switch as claimed in claim 1, it is characterized in that, the size of described movable contact and jut is to determine in this wise, when being pressed towards described center contact, movable contact just between described standing part and described arm, constitutes electric pathway, and when described movable contact was not pressed towards described center contact, described electric pathway cut off.
3. push-button switch as claimed in claim 1, it is characterized in that, described dielectric substrate comprises that one first substrate (33) and with one the 4th tack coat (29) has one second substrate (32) of described first tack coat (28) and a circular port (27), described second substrate is fixed on described first substrate by described the 4th tack coat, the part of described the 4th tack coat exposes by described circular hole, plays described ground floor.
4. push-button switch, it comprises:
One dielectric substrate (11), it has one first depressed part (14), a upper surface around described depressed part;
One outer contact portion (12), it comprises a conductive plate, described conductive plate has one has the outside (12A) and of a C shape shape to have one second depressed part (18) that is arranged in one the 2nd C shape shape in the described C shape shape, described second depressed part is arranged in described first depressed part, and described second depressed part has at least three juts thereon;
Be used for first fixture (15B, 20A, 20B, 11A, 11B) of described external stability on the upper surface of described dielectric substrate;
One center contact portion (13), it has the center contact (21) that is arranged in described the 2nd C shape shape and from the arm (22) of the opening of described center contact by described the 2nd C shape shape to the extension of the outside of described the 2nd C shape shape;
Be used for described center contact portion is fixed on lip-deep second fixture (15B, 23A, 23B, 11C, 11D) of described first depressed part;
One movable contact (24), it has a dome shape, and described dome shape has the peripheral part (24A) on described jut; And
One insulation cover plate (26) that on described movable contact, is used to insulate described movable contact.
5. push-button switch as claimed in claim 4, it is characterized in that, the size of described movable contact and jut is determined like this, when described movable contact being applied a power point to described center contact, just between described outside and described arm, constitute electric pathway, and when described power was removed, described electric pathway made and is cut off.
6. method that a push-button switch is provided, it may further comprise the steps:
A conductive plate (30) is shaped, make this conductive plate have a framework (31), an outer contact portion (12) and outside described in the contact, and with described outer contact portion separate one in contact portion (13) and be used for coupling part (17) with described outer contact portion of described framework connexon and interior contact portion;
Described conductive plate is installed on the substrate (11), and this substrate is made to such an extent that can support described outer contact portion and described interior contact portion;
Cut described coupling part; And
The movable contact that will have a dome shape is installed on the described outer contact part, wherein when depressing described movable contact described movable contact just outside described contact and described in form electric pathway between the contact.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16041495A JP3498429B2 (en) | 1995-06-27 | 1995-06-27 | Push switch |
| JP160414/95 | 1995-06-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1148254A true CN1148254A (en) | 1997-04-23 |
| CN1043493C CN1043493C (en) | 1999-05-26 |
Family
ID=15714421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96106931A Expired - Fee Related CN1043493C (en) | 1995-06-27 | 1996-06-27 | Push switch and method of producing push switch |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US5760352A (en) |
| EP (1) | EP0751542B1 (en) |
| JP (1) | JP3498429B2 (en) |
| KR (1) | KR100212106B1 (en) |
| CN (1) | CN1043493C (en) |
| DE (1) | DE69602128T2 (en) |
| MY (1) | MY112842A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1104016C (en) * | 1997-07-23 | 2003-03-26 | 阿尔卑斯电气株式会社 | Pushbutton switch |
| US7960667B2 (en) | 2007-06-04 | 2011-06-14 | Panasonic Corporation | Movable contact element and switch using the same |
| CN101320644B (en) * | 2007-06-04 | 2011-07-20 | 松下电器产业株式会社 | Movable contact element and switch using the same |
| CN103000417A (en) * | 2011-09-14 | 2013-03-27 | 株式会社Magma | Key switch |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3812022B2 (en) * | 1996-12-19 | 2006-08-23 | 松下電器産業株式会社 | Push-on switch |
| FR2773246B1 (en) * | 1997-12-26 | 2000-01-28 | Itt Mfg Enterprises Inc | MINIATURIZED ELECTRICAL SWITCH, INTEGRATED IN A CONNECTOR, FOR DETECTION OF THE PRESENCE OF AN ELECTRONIC MEMORY CARD |
| US6451237B1 (en) * | 2000-09-11 | 2002-09-17 | Lynn Allan Miles | Method for manufacturing front fork of a cycle |
| FR2859567B1 (en) | 2003-09-09 | 2006-04-14 | Itt Mfg Enterprises Inc | ELECTRIC SWITCHING DEVICE WITH SIDE ACTUATION |
| FR2859817B1 (en) * | 2003-09-17 | 2006-06-02 | Itt Mfg Enterprises Inc | SMALL THICKNESS CONTACTOR |
| EP1680795A4 (en) * | 2003-11-06 | 2008-10-29 | Philip Adrian Sjostrom | Switch element |
| KR20070073122A (en) * | 2006-01-03 | 2007-07-10 | 엘지전자 주식회사 | Controller button of refrigerator |
| EP2070097B1 (en) * | 2006-10-03 | 2012-12-19 | Abatek International AG | Button for smt applications |
| FR2968464B1 (en) * | 2010-12-07 | 2013-10-25 | Injection Haute Prec | MICROCIRCUIT CARD CONNECTOR HAVING A CARD PRESENCE DETECTOR IN OPERATING POSITION |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3886012A (en) * | 1973-08-13 | 1975-05-27 | Bowmar Instrument Corp | Method of assembly of keyboard switch by ultrasonics |
| US4074088A (en) * | 1974-05-21 | 1978-02-14 | Texas Instruments Incorporated | Keyboard apparatus and method of making |
| US3981757A (en) * | 1975-04-14 | 1976-09-21 | Globe-Union Inc. | Method of fabricating keyboard apparatus |
| ZA77160B (en) * | 1976-02-13 | 1977-11-30 | Upjohn Co | Prostaglandin analogs |
| US4352963A (en) * | 1980-08-05 | 1982-10-05 | Texas Instruments Incorporated | Low profile microswitches, particularly useful for the composition of keyboards and method of making |
| JPS5852981Y2 (en) * | 1979-08-10 | 1983-12-02 | 松下電器産業株式会社 | push-on switch |
| US4318221A (en) * | 1980-02-08 | 1982-03-09 | Cts Corporation | Process for producing an on-off push switch and resulting article |
| JPS58120525U (en) * | 1982-02-10 | 1983-08-17 | アルプス電気株式会社 | push switch |
| WO1986002196A1 (en) * | 1984-09-29 | 1986-04-10 | Matsushita Electric Industrial Co., Ltd. | Push-type switch |
| US4822959A (en) * | 1988-01-25 | 1989-04-18 | Schwab-Koplin Assoc., Inc. | Electrical switch having a snap-acting switch element |
| JPH0518819Y2 (en) * | 1988-04-27 | 1993-05-19 | ||
| US4972057A (en) * | 1989-06-20 | 1990-11-20 | Mitsuku Denshi Kogyo Kabushiki Kaisha | Push button switch |
| JPH0447616A (en) * | 1990-06-11 | 1992-02-17 | Fujitsu Ltd | Switch element |
| JP2823370B2 (en) * | 1991-02-22 | 1998-11-11 | アルプス電気株式会社 | Push button switch |
| DE4222794C2 (en) * | 1991-07-13 | 1994-10-13 | Mitsuku Denshi Kogyo | Pressure switch |
| US5343008A (en) * | 1992-02-19 | 1994-08-30 | Ipcinski Ralph G | Sealed switch |
| JPH05258641A (en) * | 1992-03-16 | 1993-10-08 | Matsushita Electric Ind Co Ltd | Panel switch |
| JPH05298959A (en) * | 1992-04-24 | 1993-11-12 | Matsushita Electric Ind Co Ltd | Push-on switch |
| JPH0831266A (en) * | 1994-07-14 | 1996-02-02 | Matsushita Electric Ind Co Ltd | Thin push switch |
-
1995
- 1995-06-27 JP JP16041495A patent/JP3498429B2/en not_active Expired - Fee Related
-
1996
- 1996-06-11 EP EP96304365A patent/EP0751542B1/en not_active Expired - Lifetime
- 1996-06-11 DE DE69602128T patent/DE69602128T2/en not_active Expired - Lifetime
- 1996-06-26 KR KR1019960023743A patent/KR100212106B1/en not_active IP Right Cessation
- 1996-06-26 US US08/670,591 patent/US5760352A/en not_active Expired - Lifetime
- 1996-06-27 CN CN96106931A patent/CN1043493C/en not_active Expired - Fee Related
- 1996-06-27 MY MYPI96002633A patent/MY112842A/en unknown
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1104016C (en) * | 1997-07-23 | 2003-03-26 | 阿尔卑斯电气株式会社 | Pushbutton switch |
| US7960667B2 (en) | 2007-06-04 | 2011-06-14 | Panasonic Corporation | Movable contact element and switch using the same |
| CN101320644B (en) * | 2007-06-04 | 2011-07-20 | 松下电器产业株式会社 | Movable contact element and switch using the same |
| CN103000417A (en) * | 2011-09-14 | 2013-03-27 | 株式会社Magma | Key switch |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100212106B1 (en) | 1999-08-02 |
| KR970003319A (en) | 1997-01-28 |
| DE69602128D1 (en) | 1999-05-27 |
| JPH0917273A (en) | 1997-01-17 |
| US5760352A (en) | 1998-06-02 |
| DE69602128T2 (en) | 1999-10-14 |
| EP0751542A1 (en) | 1997-01-02 |
| EP0751542B1 (en) | 1999-04-21 |
| MY112842A (en) | 2001-09-29 |
| JP3498429B2 (en) | 2004-02-16 |
| CN1043493C (en) | 1999-05-26 |
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